Re: [xml-dev] XML spec and XSD

[Liam Quin <liam@w3.org>]

On Sun, Nov 15, 2009 at 01:19:54PM +0530, Mukul Gandhi wrote:
> > As Tim and others said, DTDs are in the XML specification for
> > historical reasons.
> 
> I appreciate this. It's good that, something like this existed in the
> early days of XML (that was a nice innovation, in the absence of
> anything else, as we speak of XSD and other validation technologies,
> as of today).

Just to be clear, XML was designed so that every DTD-valid document
was also a valid SGML document; we had some 10 years experience
with SGML deployment, and that's where DTDs came from.

Liam

-- 
Liam Quin, W3C XML Activity Lead, http://www.w3.org/People/Quin/
http://www.holoweb.net/~liam/ * http://www.fromoldbooks.org/